1. Spraying epoxy resin in the surface of product make it smooth, fine, easy to clean. 2. Its weight is light. Inside getting antiseptic last on its service life. Clean inside makes it suitable to heat measurement. 3. The model is changeable; it can be manufactured according to the structure of different rooms. 4. Various colors are available according to your need. 5. Panel diversion reduces the contamination of the wall. 6. It can be made inlet and outlet at the bottom according to your need.